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Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.

 

BERBERIDACEAE BARBERRY FAMILY

Michael P. Williams


Perennial herb, shrub, [tree], generally rhizomed, caudexed or not, glabrous, glaucous, or hairy. Stem: spreading to erect, branched or not. Leaf: simple, 1–3-ternate, or pinnately compound, basal and cauline, generally alternate, deciduous or evergreen, petioled, stipuled. Inflorescence: generally raceme, spike, or panicle, scapose, terminal, or axillary. Flower: generally bisexual, radial; sepals 6–18 or 0, generally in whorls of 3; petals generally 6, in 2 whorls of 3, or 0; stamens 6–12(13), free or fused at base, in 2 whorls or not, anthers dehiscent by flap-like valves or longitudinal slits; ovary superior, chamber 1, ovules generally 1–10, style 1 or 0, stigma flat or spheric. Fruit: berry, capsule, achene [follicle].
16 genera, ± 670 species: temperate, tropics worldwide; some cultivated (Berberis, Epimedium, Nandina (heavenly bamboo), Vancouveria). [Wang 2007 Syst Bot 32:731–742] Lower sepals sometimes called "bracteoles", inner petals "staminodes". —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Ernst 1964 J Arnold Arbor 45:1–35]

Key to Berberidaceae

1. Shrub; leaves simple or pinnately compound, generally leathery (except Berberis vulgaris), generally spine-toothed; fruit a berry ..... BERBERIS

1' Perennial herb; leaves 1–3-ternate, not leathery, not spine-toothed; fruit a capsule or achene

2. Inflorescence a spike; leaflets triangular to fan-shaped; perianth 0; fruit an achene ..... ACHLYS

2' Inflorescence a raceme or panicle; leaflets ovate to ± cordate; perianth parts 12+; fruit a 2-valved capsule ..... VANCOUVERIA

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Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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